<div class="apiDetail">
    <div>
        <h2><span>Boolean</span><span class="path">treeNode.</span>isFirstNode</h2>

        <h3>Overview<span class="h3_info">[ depends on <span
                class="highlight_green">jquery.ztree.core</span> js ]</span></h3>

        <div class="desc">
            <p></p>

            <div class="longdesc">
                <p>Judge whether the node is the sibling nodes's first node.</p>

                <p class="highlight_red">If you use the 'exhide' pack, so this attribute will only support the node
                    which be shown. </p>

                <p class="highlight_red">Do not initialize or modify it, it is created by the zTree.</p>
            </div>
        </div>
        <h3>Boolean Format</h3>

        <div class="desc">
            <p> true means: the node is first node.</p>

            <p> false means: the node is not first node.</p>

            <p class="highlight_red">If the node has been hidden, isFirstNode = false</p>
        </div>
        <h3>Examples of treeNode</h3>
        <h4>1. Judge whether the first selected node is the sibling nodes's first node.</h4>
	<pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
        var sNodes = treeObj.getSelectedNodes();
        if (sNodes.length > 0) {
        var isFirstNode = sNodes[0].isFirstNode;
        }
    </code></pre>
    </div>
</div>